diff --git a/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt b/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt new file mode 100644 index 000000000000..a1201802f90d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt @@ -0,0 +1,64 @@ +* Samsung Audio Subsystem Clock Controller + +The Samsung Audio Subsystem clock controller generates and supplies clocks +to Audio Subsystem block available in the S5PV210 and Exynos SoCs. The clock +binding described here is applicable to all SoC's in Exynos family. + +Required Properties: + +- compatible: should be one of the following: + - "samsung,exynos4210-audss-clock" - controller compatible with all Exynos4 SoCs. + - "samsung,exynos5250-audss-clock" - controller compatible with all Exynos5 SoCs. + +- reg: physical base address and length of the controller's register set. + +- #clock-cells: should be 1. + +The following is the list of clocks generated by the controller. Each clock is +assigned an identifier and client nodes use this identifier to specify the +clock which they consume. Some of the clocks are available only on a particular +Exynos4 SoC and this is specified where applicable. + +Provided clocks: + +Clock ID SoC (if specific) +----------------------------------------------- + +mout_audss 0 +mout_i2s 1 +dout_srp 2 +dout_aud_bus 3 +dout_i2s 4 +srp_clk 5 +i2s_bus 6 +sclk_i2s 7 +pcm_bus 8 +sclk_pcm 9 + +Example 1: An example of a clock controller node is listed below. + +clock_audss: audss-clock-controller@3810000 { + compatible = "samsung,exynos5250-audss-clock"; + reg = <0x03810000 0x0C>; + #clock-cells = <1>; +}; + +Example 2: I2S controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + +i2s0: i2s@03830000 { + compatible = "samsung,i2s-v5"; + reg = <0x03830000 0x100>; + dmas = <&pdma0 10 + &pdma0 9 + &pdma0 8>; + dma-names = "tx", "rx", "tx-sec"; + clocks = <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_SCLK_I2S>, + <&clock_audss EXYNOS_MOUT_AUDSS>, + <&clock_audss EXYNOS_MOUT_I2S>; + clock-names = "iis", "i2s_opclk0", "i2s_opclk1", + "mout_audss", "mout_i2s"; +}; diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.txt b/Documentation/devicetree/bindings/sound/samsung-i2s.txt index 3070046da2e5..025e66b85a43 100644 --- a/Documentation/devicetree/bindings/sound/samsung-i2s.txt +++ b/Documentation/devicetree/bindings/sound/samsung-i2s.txt @@ -8,6 +8,16 @@ Required SoC Specific Properties: - dmas: list of DMA controller phandle and DMA request line ordered pairs. - dma-names: identifier string for each DMA request line in the dmas property. These strings correspond 1:1 with the ordered pairs in dmas. +- clocks: Handle to iis clock and RCLK source clk. +- clock-names: + i2s0 uses some base clks from CMU and some are from audio subsystem internal + clock controller. The clock names for i2s0 should be "iis", "i2s_opclk0" and + "i2s_opclk1" as shown in the example below. + i2s1 and i2s2 uses clocks from CMU. The clock names for i2s1 and i2s2 should + be "iis" and "i2s_opclk0". + "iis" is the i2s bus clock and i2s_opclk0, i2s_opclk1 are sources of the root + clk. i2s0 has internal mux to select the source of root clk and i2s1 and i2s2 + doesn't have any such mux. Optional SoC Specific Properties: @@ -20,44 +30,26 @@ Optional SoC Specific Properties: then this flag is enabled. - samsung,idma-addr: Internal DMA register base address of the audio sub system(used in secondary sound source). - -Required Board Specific Properties: - -- gpios: The gpio specifier for data out,data in, LRCLK, CDCLK and SCLK - interface lines. The format of the gpio specifier depends on the gpio - controller. - The syntax of samsung gpio specifier is - <[phandle of the gpio controller node] - [pin number within the gpio controller] - [mux function] - [flags and pull up/down] - [drive strength]> +- pinctrl-0: Should specify pin control groups used for this controller. +- pinctrl-names: Should contain only one value - "default". Example: -- SoC Specific Portion: - -i2s@03830000 { +i2s0: i2s@03830000 { compatible = "samsung,i2s-v5"; reg = <0x03830000 0x100>; dmas = <&pdma0 10 &pdma0 9 &pdma0 8>; dma-names = "tx", "rx", "tx-sec"; + clocks = <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_SCLK_I2S>; + clock-names = "iis", "i2s_opclk0", "i2s_opclk1"; samsung,supports-6ch; samsung,supports-rstclr; samsung,supports-secdai; samsung,idma-addr = <0x03000000>; -}; - -- Board Specific Portion: - -i2s@03830000 { - gpios = <&gpz 0 2 0 0>, /* I2S_0_SCLK */ - <&gpz 1 2 0 0>, /* I2S_0_CDCLK */ - <&gpz 2 2 0 0>, /* I2S_0_LRCK */ - <&gpz 3 2 0 0>, /* I2S_0_SDI */ - <&gpz 4 2 0 0>, /* I2S_0_SDO[1] */ - <&gpz 5 2 0 0>, /* I2S_0_SDO[2] */ - <&gpz 6 2 0 0>; /* I2S_0_SDO[3] */ + pinctrl-names = "default"; + pinctrl-0 = <&i2s0_bus>; }; diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index bed40ee2e4f6..3f94fe8e3706 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -19,7 +19,7 @@ * published by the Free Software Foundation. */ -/include/ "skeleton.dtsi" +#include "skeleton.dtsi" / { interrupt-parent = <&gic>; diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index 08609b8bdaf1..382d8c7e2906 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -15,7 +15,7 @@ */ /dts-v1/; -/include/ "exynos4210.dtsi" +#include "exynos4210.dtsi" / { model = "Insignal Origen evaluation board based on Exynos4210"; diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts index 91332b72acf5..9c01b718d29d 100644 --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts @@ -15,7 +15,7 @@ */ /dts-v1/; -/include/ "exynos4210.dtsi" +#include "exynos4210.dtsi" / { model = "Samsung smdkv310 evaluation board based on Exynos4210"; diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts index 9a14484c7bb1..94eebffe3044 100644 --- a/arch/arm/boot/dts/exynos4210-trats.dts +++ b/arch/arm/boot/dts/exynos4210-trats.dts @@ -13,7 +13,7 @@ */ /dts-v1/; -/include/ "exynos4210.dtsi" +#include "exynos4210.dtsi" / { model = "Samsung Trats based on Exynos4210"; diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 345cdb51dcb7..889cdada1ce9 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -13,7 +13,7 @@ */ /dts-v1/; -/include/ "exynos4210.dtsi" +#include "exynos4210.dtsi" / { model = "Samsung Universal C210 based on Exynos4210 rev0"; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index d4f8067e89ba..b7f358a93bcb 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -19,8 +19,8 @@ * published by the Free Software Foundation. */ -/include/ "exynos4.dtsi" -/include/ "exynos4210-pinctrl.dtsi" +#include "exynos4.dtsi" +#include "exynos4210-pinctrl.dtsi" / { compatible = "samsung,exynos4210"; diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi index c0f60f49cea6..6f34d7f6ba7e 100644 --- a/arch/arm/boot/dts/exynos4212.dtsi +++ b/arch/arm/boot/dts/exynos4212.dtsi @@ -17,7 +17,7 @@ * published by the Free Software Foundation. */ -/include/ "exynos4x12.dtsi" +#include "exynos4x12.dtsi" / { compatible = "samsung,exynos4212"; diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts index 867d9452619b..46c678ee119c 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts @@ -12,7 +12,7 @@ */ /dts-v1/; -/include/ "exynos4412.dtsi" +#include "exynos4412.dtsi" / { model = "Hardkernel ODROID-X board based on Exynos4412"; diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index ca73c42f77e1..7993641cb32a 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -13,7 +13,7 @@ */ /dts-v1/; -/include/ "exynos4412.dtsi" +#include "exynos4412.dtsi" / { model = "Insignal Origen evaluation board based on Exynos4412"; diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts index a8ba195c41ac..ad316a1ee9e0 100644 --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts @@ -13,7 +13,7 @@ */ /dts-v1/; -/include/ "exynos4412.dtsi" +#include "exynos4412.dtsi" / { model = "Samsung SMDK evaluation board based on Exynos4412"; diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi index 270b389e0a1b..e743e677a9e2 100644 --- a/arch/arm/boot/dts/exynos4412.dtsi +++ b/arch/arm/boot/dts/exynos4412.dtsi @@ -17,7 +17,7 @@ * published by the Free Software Foundation. */ -/include/ "exynos4x12.dtsi" +#include "exynos4x12.dtsi" / { compatible = "samsung,exynos4412"; diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi index 35cb2099d55e..01da194ba329 100644 --- a/arch/arm/boot/dts/exynos4x12.dtsi +++ b/arch/arm/boot/dts/exynos4x12.dtsi @@ -17,8 +17,8 @@ * published by the Free Software Foundation. */ -/include/ "exynos4.dtsi" -/include/ "exynos4x12-pinctrl.dtsi" +#include "exynos4.dtsi" +#include "exynos4x12-pinctrl.dtsi" / { aliases { diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index c6db281a3430..abc7272c7afd 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -10,7 +10,7 @@ */ /dts-v1/; -/include/ "exynos5250.dtsi" +#include "exynos5250.dtsi" / { model = "Insignal Arndale evaluation board based on EXYNOS5250"; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 1e21200b6d85..35a66dee4011 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -10,7 +10,7 @@ */ /dts-v1/; -/include/ "exynos5250.dtsi" +#include "exynos5250.dtsi" / { model = "SAMSUNG SMDK5250 board based on EXYNOS5250"; diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index 05244f150dd9..e79331dba12d 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -9,8 +9,8 @@ */ /dts-v1/; -/include/ "exynos5250.dtsi" -/include/ "cros5250-common.dtsi" +#include "exynos5250.dtsi" +#include "cros5250-common.dtsi" / { model = "Google Snow"; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 8b1f9b63f9f7..0aa9091ed7c5 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -17,8 +17,10 @@ * published by the Free Software Foundation. */ -/include/ "skeleton.dtsi" -/include/ "exynos5250-pinctrl.dtsi" +#include "skeleton.dtsi" +#include "exynos5250-pinctrl.dtsi" + +#include / { compatible = "samsung,exynos5250"; @@ -72,6 +74,12 @@ clock: clock-controller@0x10010000 { #clock-cells = <1>; }; + clock_audss: audss-clock-controller@3810000 { + compatible = "samsung,exynos5250-audss-clock"; + reg = <0x03810000 0x0C>; + #clock-cells = <1>; + }; + gic:interrupt-controller@10481000 { compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic"; #interrupt-cells = <3>; @@ -451,6 +459,10 @@ i2s0: i2s@03830000 { &pdma0 9 &pdma0 8>; dma-names = "tx", "rx", "tx-sec"; + clocks = <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_SCLK_I2S>; + clock-names = "iis", "i2s_opclk0", "i2s_opclk1"; samsung,supports-6ch; samsung,supports-rstclr; samsung,supports-secdai; @@ -465,6 +477,8 @@ i2s1: i2s@12D60000 { dmas = <&pdma1 12 &pdma1 11>; dma-names = "tx", "rx"; + clocks = <&clock 307>, <&clock 157>; + clock-names = "iis", "i2s_opclk0"; pinctrl-names = "default"; pinctrl-0 = <&i2s1_bus>; }; @@ -475,6 +489,8 @@ i2s2: i2s@12D70000 { dmas = <&pdma0 12 &pdma0 11>; dma-names = "tx", "rx"; + clocks = <&clock 308>, <&clock 158>; + clock-names = "iis", "i2s_opclk0"; pinctrl-names = "default"; pinctrl-0 = <&i2s2_bus>; }; diff --git a/arch/arm/boot/dts/exynos5440-sd5v1.dts b/arch/arm/boot/dts/exynos5440-sd5v1.dts index f722a0263ac8..5b22508050da 100644 --- a/arch/arm/boot/dts/exynos5440-sd5v1.dts +++ b/arch/arm/boot/dts/exynos5440-sd5v1.dts @@ -10,7 +10,7 @@ */ /dts-v1/; -/include/ "exynos5440.dtsi" +#include "exynos5440.dtsi" / { model = "SAMSUNG SD5v1 board based on EXYNOS5440"; diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts index 3aa65bb28020..f32cd77930a6 100644 --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts @@ -10,7 +10,7 @@ */ /dts-v1/; -/include/ "exynos5440.dtsi" +#include "exynos5440.dtsi" / { model = "SAMSUNG SSDK5440 board based on EXYNOS5440"; diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi index 72c114cfbaa0..8b6f8f0c9171 100644 --- a/arch/arm/boot/dts/exynos5440.dtsi +++ b/arch/arm/boot/dts/exynos5440.dtsi @@ -9,7 +9,7 @@ * published by the Free Software Foundation. */ -/include/ "skeleton.dtsi" +#include "skeleton.dtsi" / { compatible = "samsung,exynos5440"; diff --git a/arch/arm/boot/dts/s3c2416-smdk2416.dts b/arch/arm/boot/dts/s3c2416-smdk2416.dts index ad1dd09c10eb..59594cf15998 100644 --- a/arch/arm/boot/dts/s3c2416-smdk2416.dts +++ b/arch/arm/boot/dts/s3c2416-smdk2416.dts @@ -9,7 +9,7 @@ */ /dts-v1/; -/include/ "s3c2416.dtsi" +#include "s3c2416.dtsi" / { model = "SMDK2416"; diff --git a/arch/arm/boot/dts/s3c2416.dtsi b/arch/arm/boot/dts/s3c2416.dtsi index 6809324934a3..e6555bdd81b8 100644 --- a/arch/arm/boot/dts/s3c2416.dtsi +++ b/arch/arm/boot/dts/s3c2416.dtsi @@ -8,8 +8,8 @@ * published by the Free Software Foundation. */ -/include/ "s3c24xx.dtsi" -/include/ "s3c2416-pinctrl.dtsi" +#include "s3c24xx.dtsi" +#include "s3c2416-pinctrl.dtsi" / { model = "Samsung S3C2416 SoC"; diff --git a/arch/arm/boot/dts/s3c24xx.dtsi b/arch/arm/boot/dts/s3c24xx.dtsi index cab46ff5fb4d..2d1d7dc9418a 100644 --- a/arch/arm/boot/dts/s3c24xx.dtsi +++ b/arch/arm/boot/dts/s3c24xx.dtsi @@ -8,7 +8,7 @@ * published by the Free Software Foundation. */ -/include/ "skeleton.dtsi" +#include "skeleton.dtsi" / { compatible = "samsung,s3c24xx"; diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index b7c232e67425..187681013bdb 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_COMMON_CLK) += clk.o clk-pll.o obj-$(CONFIG_ARCH_EXYNOS4) += clk-exynos4.o obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o +obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c new file mode 100644 index 000000000000..9b1bbd52fd1f --- /dev/null +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2013 Samsung Electronics Co., Ltd. + * Author: Padmavathi Venna + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Common Clock Framework support for Audio Subsystem Clock Controller. +*/ + +#include +#include +#include +#include +#include + +#include + +static DEFINE_SPINLOCK(lock); +static struct clk **clk_table; +static void __iomem *reg_base; +static struct clk_onecell_data clk_data; + +#define ASS_CLK_SRC 0x0 +#define ASS_CLK_DIV 0x4 +#define ASS_CLK_GATE 0x8 + +static unsigned long reg_save[][2] = { + {ASS_CLK_SRC, 0}, + {ASS_CLK_DIV, 0}, + {ASS_CLK_GATE, 0}, +}; + +/* list of all parent clock list */ +static const char *mout_audss_p[] = { "fin_pll", "fout_epll" }; +static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" }; + +#ifdef CONFIG_PM_SLEEP +static int exynos_audss_clk_suspend(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(reg_save); i++) + reg_save[i][1] = readl(reg_base + reg_save[i][0]); + + return 0; +} + +static void exynos_audss_clk_resume(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(reg_save); i++) + writel(reg_save[i][1], reg_base + reg_save[i][0]); +} + +static struct syscore_ops exynos_audss_clk_syscore_ops = { + .suspend = exynos_audss_clk_suspend, + .resume = exynos_audss_clk_resume, +}; +#endif /* CONFIG_PM_SLEEP */ + +/* register exynos_audss clocks */ +void __init exynos_audss_clk_init(struct device_node *np) +{ + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: failed to map audss registers\n", __func__); + return; + } + + clk_table = kzalloc(sizeof(struct clk *) * EXYNOS_AUDSS_MAX_CLKS, + GFP_KERNEL); + if (!clk_table) { + pr_err("%s: could not allocate clk lookup table\n", __func__); + return; + } + + clk_data.clks = clk_table; + clk_data.clk_num = EXYNOS_AUDSS_MAX_CLKS; + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + + clk_table[EXYNOS_MOUT_AUDSS] = clk_register_mux(NULL, "mout_audss", + mout_audss_p, ARRAY_SIZE(mout_audss_p), 0, + reg_base + ASS_CLK_SRC, 0, 1, 0, &lock); + + clk_table[EXYNOS_MOUT_I2S] = clk_register_mux(NULL, "mout_i2s", + mout_i2s_p, ARRAY_SIZE(mout_i2s_p), 0, + reg_base + ASS_CLK_SRC, 2, 2, 0, &lock); + + clk_table[EXYNOS_DOUT_SRP] = clk_register_divider(NULL, "dout_srp", + "mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4, + 0, &lock); + + clk_table[EXYNOS_DOUT_AUD_BUS] = clk_register_divider(NULL, + "dout_aud_bus", "dout_srp", 0, + reg_base + ASS_CLK_DIV, 4, 4, 0, &lock); + + clk_table[EXYNOS_DOUT_I2S] = clk_register_divider(NULL, "dout_i2s", + "mout_i2s", 0, reg_base + ASS_CLK_DIV, 8, 4, 0, + &lock); + + clk_table[EXYNOS_SRP_CLK] = clk_register_gate(NULL, "srp_clk", + "dout_srp", CLK_SET_RATE_PARENT, + reg_base + ASS_CLK_GATE, 0, 0, &lock); + + clk_table[EXYNOS_I2S_BUS] = clk_register_gate(NULL, "i2s_bus", + "dout_aud_bus", CLK_SET_RATE_PARENT, + reg_base + ASS_CLK_GATE, 2, 0, &lock); + + clk_table[EXYNOS_SCLK_I2S] = clk_register_gate(NULL, "sclk_i2s", + "dout_i2s", CLK_SET_RATE_PARENT, + reg_base + ASS_CLK_GATE, 3, 0, &lock); + + clk_table[EXYNOS_PCM_BUS] = clk_register_gate(NULL, "pcm_bus", + "sclk_pcm", CLK_SET_RATE_PARENT, + reg_base + ASS_CLK_GATE, 4, 0, &lock); + + clk_table[EXYNOS_SCLK_PCM] = clk_register_gate(NULL, "sclk_pcm", + "div_pcm0", CLK_SET_RATE_PARENT, + reg_base + ASS_CLK_GATE, 5, 0, &lock); + +#ifdef CONFIG_PM_SLEEP + register_syscore_ops(&exynos_audss_clk_syscore_ops); +#endif + + pr_info("Exynos: Audss: clock setup completed\n"); +} +CLK_OF_DECLARE(exynos4210_audss_clk, "samsung,exynos4210-audss-clock", + exynos_audss_clk_init); +CLK_OF_DECLARE(exynos5250_audss_clk, "samsung,exynos5250-audss-clock", + exynos_audss_clk_init); diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 5c97e75924a8..7c6885058cef 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -87,6 +87,7 @@ enum exynos5250_clks { sclk_mmc0, sclk_mmc1, sclk_mmc2, sclk_mmc3, sclk_sata, sclk_usb3, sclk_jpeg, sclk_uart0, sclk_uart1, sclk_uart2, sclk_uart3, sclk_pwm, sclk_audio1, sclk_audio2, sclk_spdif, sclk_spi0, sclk_spi1, sclk_spi2, + div_i2s1, div_i2s2, /* gate clocks */ gscl0 = 256, gscl1, gscl2, gscl3, gscl_wa, gscl_wb, smmu_gscl0, @@ -291,8 +292,8 @@ struct samsung_div_clock exynos5250_div_clks[] __initdata = { DIV(none, "div_pcm1", "sclk_audio1", DIV_PERIC4, 4, 8), DIV(none, "div_audio2", "mout_audio2", DIV_PERIC4, 16, 4), DIV(none, "div_pcm2", "sclk_audio2", DIV_PERIC4, 20, 8), - DIV(none, "div_i2s1", "sclk_audio1", DIV_PERIC5, 0, 6), - DIV(none, "div_i2s2", "sclk_audio2", DIV_PERIC5, 8, 6), + DIV(div_i2s1, "div_i2s1", "sclk_audio1", DIV_PERIC5, 0, 6), + DIV(div_i2s2, "div_i2s2", "sclk_audio2", DIV_PERIC5, 8, 6), DIV(sclk_pixel, "div_hdmi_pixel", "sclk_vpll", DIV_DISP1_0, 28, 4), DIV_A(none, "armclk", "div_arm", DIV_CPU0, 28, 3, "armclk"), DIV_F(none, "div_mipi1_pre", "div_mipi1", diff --git a/include/dt-bindings/clk/exynos-audss-clk.h b/include/dt-bindings/clk/exynos-audss-clk.h new file mode 100644 index 000000000000..8279f427c60f --- /dev/null +++ b/include/dt-bindings/clk/exynos-audss-clk.h @@ -0,0 +1,25 @@ +/* + * This header provides constants for Samsung audio subsystem + * clock controller. + * + * The constants defined in this header are being used in dts + * and exynos audss driver. + */ + +#ifndef _DT_BINDINGS_CLK_EXYNOS_AUDSS_H +#define _DT_BINDINGS_CLK_EXYNOS_AUDSS_H + +#define EXYNOS_MOUT_AUDSS 0 +#define EXYNOS_MOUT_I2S 1 +#define EXYNOS_DOUT_SRP 2 +#define EXYNOS_DOUT_AUD_BUS 3 +#define EXYNOS_DOUT_I2S 4 +#define EXYNOS_SRP_CLK 5 +#define EXYNOS_I2S_BUS 6 +#define EXYNOS_SCLK_I2S 7 +#define EXYNOS_PCM_BUS 8 +#define EXYNOS_SCLK_PCM 9 + +#define EXYNOS_AUDSS_MAX_CLKS 10 + +#endif